fix: enhance auto-rolling logic to handle ties and improve participant roll announcements

src/lib/server/match/engine.ts

@@ -298,12 +298,25 @@ export async function submitRoll(matchId: string, participantId: string, value:
 	);
 
 	if (allRolled) {
-		const sorted = [...participants]
-			.map((p) => ({
+		const finalRolls = participants.map((p) => ({
 			...p,
 			rollValue: p.id === participantId ? value : p.rollValue!
-			}))
-			.sort((a, b) => b.rollValue - a.rollValue);
+		}));
+
+		const rollValues = finalRolls.map((p) => p.rollValue);
+		const hasTie = new Set(rollValues).size < rollValues.length;
+
+		if (hasTie) {
+			// Reset all rolls so everyone must roll again
+			for (const p of participants) {
+				await db
+					.update(matchParticipant)
+					.set({ rollValue: null })
+					.where(eq(matchParticipant.id, p.id));
+			}
+			// Stay in ROLLING state
+		} else {
+			const sorted = [...finalRolls].sort((a, b) => b.rollValue - a.rollValue);
 
 			for (let i = 0; i < sorted.length; i++) {
 				await db
@@ -317,6 +330,7 @@ export async function submitRoll(matchId: string, participantId: string, value:
 				.set({ state: MATCH_STATES.PICKING })
 				.where(eq(match.id, matchId));
 		}
+	}
 
 	return getMatchFull(matchId);
 }

src/lib/server/match/orchestrator.ts

@@ -122,14 +122,20 @@ export function onMatchStateChange(matchId: string, newState: string) {
 					if (m.state !== MATCH_STATES.ROLLING) return;
 
 					const lobby = getLobby(matchId);
-					const unrolled = m.participants.filter((p) => p.rollValue === null);
-					if (unrolled.length === 0) return;
+					const initialUnrolled = m.participants.filter((p) => p.rollValue === null);
+					if (initialUnrolled.length === 0) return;
 
-					const names = unrolled.map((p) => p.team.name).join(', ');
+					const names = initialUnrolled.map((p) => p.team.name).join(', ');
 					if (lobby?.isAlive) {
 						await lobby.chat(`⏰ Rolling timed out — auto-rolling for: ${names}`);
 					}
 
+					// Auto-roll with tie retry: keep rolling until no ties
+					let tieTries = 0;
+					let current = await getMatchFull(matchId);
+					while (current.state === MATCH_STATES.ROLLING && tieTries < 10) {
+						const unrolled = current.participants.filter((p) => p.rollValue === null);
+						if (unrolled.length === 0) break;
 						for (const p of unrolled) {
 							const autoRoll = Math.floor(Math.random() * 100) + 1;
 							await submitRoll(matchId, p.id, autoRoll);
@@ -138,12 +144,20 @@ export function onMatchStateChange(matchId: string, newState: string) {
 								await lobby.chat(`${p.team.name} auto-rolled ${autoRoll}`);
 							}
 						}
+						current = await getMatchFull(matchId);
+						if (current.state === MATCH_STATES.ROLLING) {
+							// Tie — all rolls were reset, retry
+							tieTries++;
+							if (lobby?.isAlive) {
+								await lobby.chat(`Tie! Auto-rolling again...`);
+							}
+						}
+					}
 
 					// After auto-rolling, check if state advanced to PICKING
-					const updated = await getMatchFull(matchId);
-					if (updated.state === MATCH_STATES.PICKING) {
+					if (current.state === MATCH_STATES.PICKING) {
 						onMatchStateChange(matchId, MATCH_STATES.PICKING);
-						const sorted = [...updated.participants].sort(
+						const sorted = [...current.participants].sort(
 							(a, b) => (a.pickOrder ?? 99) - (b.pickOrder ?? 99)
 						);
 						if (lobby?.isAlive) {
@@ -414,10 +428,12 @@ function setupChatHandlers(matchId: string, lobby: TournamentLobby) {
 				return;
 			}
 
+			const isLastRoll = m.participants.filter((p) => p.rollValue === null).length === 1;
+
 			await submitRoll(matchId, targetParticipant.id, value);
 			console.log(`[Orchestrator] IRC roll: ${username} = ${value}`);
 
-			// Check if all rolled → announce pick order
+			// Check if all rolled → announce pick order or tie
 			const updated = await getMatchFull(matchId);
 			const remaining = updated.participants.filter((p) => p.rollValue === null);
 
@@ -432,6 +448,9 @@ function setupChatHandlers(matchId: string, lobby: TournamentLobby) {
 					`Rolls complete! ${sorted[0]?.team.name} picks first. ` +
 					`Use !pick <slot> (e.g. !pick NM1). You have 2 minutes.`
 				);
+			} else if (isLastRoll && remaining.length === updated.participants.length) {
+				// All rolled the same value — everyone must reroll
+				await lobby.chat(`Tie! All players rolled ${value}. Please !roll again.`);
 			} else if (remaining.length > 0) {
 				// Tell the other player they still need to roll
 				await lobby.chat(

src/routes/(app)/matches/[id]/+page.server.ts

@@ -152,6 +152,7 @@ export const actions: Actions = {
 			}
 		}
 
+		const isLastRoll = m.participants.filter((p) => p.rollValue === null).length === 1;
 		const value = Math.floor(Math.random() * 100) + 1;
 		await submitRoll(params.id, myParticipant.id, value);
 
@@ -160,7 +161,7 @@ export const actions: Actions = {
 		if (lobby) {
 			lobby.chat(`${myParticipant.team?.name ?? 'Player'} rolled ${value} (via web)`).catch(() => {});
 
-			// Check if all rolled → announce pick order
+			// Check if all rolled → announce pick order or tie
 			const updated = await getMatchFull(params.id);
 			if (updated.state === 'PICKING') {
 				const sorted = [...updated.participants].sort(
@@ -169,6 +170,8 @@ export const actions: Actions = {
 				lobby.chat(
 					`Rolls complete! ${sorted[0]?.team.name} picks first. Use !pick <slot> (e.g. !pick NM1) or pick in web UI.`
 				).catch(() => {});
+			} else if (isLastRoll && updated.participants.every((p: any) => p.rollValue === null)) {
+				lobby.chat(`Tie! All players rolled ${value}. Please !roll again.`).catch(() => {});
 			}
 		}